LTWHOME 18 Inch x 12 x 1.18 DIY Polyester Fine Filter Pad for Aquarium Pond (Pack of 3) Custom designed and manufactured for

Custom designed and manufactured for the Fluval U4 Filtration Systems

75 inches(Coarse)

The bio sponge filters optimize the colonization of beneficial aerobic bacterias which keeps the water fresh and clean to provide a better quality of living for your fish

Foam Filters Non-branded but suitable for Interpet PF4 Internal Filtration Systems

LTWHOME 18 Inch x 12 x 1.18 DIY Polyester Fine Filter Pad for Aquarium Pond (Pack of 3) Custom designed and manufactured forPacking include: 3pcs foam filter Size: 460x300x30mm 18"x12"x1. 18" Change every 3 4 weeks Provides efficient water flow with less clogging for long lasting filtration Enhances biological filtration